Iasi

City · 1408 CE · in Europe

Capital of Principality of Moldavia (1564–1858), United Principalities of Moldavia and Wallachia (1859–1862).

Diyarbakir (c. 1407 CE): Capital of Aq Qoyunlu (1407–1468).
Shuntian Fu (1403–1914 CE): Capital of Ming Dynasty (1421–1644), Qing Dynasty (1645–1911).
Uppsala (c. 1402 CE): Capital of Kalmar Union (1402–1436).
Roskilde (c. 1402 CE): Capital of Kalmar Union (1402–1443).
Belgrade (c. 1402 CE): Capital of Serbian Despots (1402–1421), Kingdom of Serbia (1882–1884), Yugoslavia (1919–1945), and 2 more.
Jambi (1401 CE): Capital of Sultanate of Jambi (1670–1904).
Malacca (1396 CE): Capital of Sultanate of Malacca (1459–1511).
Bidar (c. 1425 CE): Capital of Bahmani Sultanate (1425–1491), Bidar Sultanate (1527–1618).
Cirebon (1389 CE): Capital of Sultanate of Cirebon (1482–1676).
Suceava (1388 CE): Capital of Principality of Moldavia (1388–1564).

Around the same time and place

Printing press (c. 1440 CE): Gutenberg's press with movable metal type made mass production of books possible, transforming the spread of knowledge in Europe.
Leonardo da Vinci (1452 CE – 1519 CE): Italian Renaissance polymath born in Vinci, painter of the Mona Lisa and The Last Supper, whose notebooks record studies in anatomy, engineering and flight.
Fall of Constantinople (1453 CE): Ottoman Sultan Mehmed II captured Constantinople, ending the Byzantine Empire; the city became the Ottoman capital.
Hanseatic trade route (1356–1669 CE): The Hanseatic League of north German merchant towns, led by Lübeck, dominated Baltic and North Sea trade from London and Bruges to Novgorod, exchanging furs, wax, grain, fish and timber for cloth and salt.
Johannes Gutenberg (c. 1400 CE – 1468 CE): German goldsmith from Mainz who introduced printing with movable metal type to Europe.
Dome of Florence Cathedral (1436 CE): Brunelleschi's dome, completed in 1436, was the largest built since antiquity and a landmark of Renaissance architecture.
Gutenberg Bible (1455 CE): The first major book printed in Europe with movable metal type, completed by Johannes Gutenberg’s workshop in Mainz by 1455. About 180 copies were printed, and fewer than 50 survive.
Petrarch (1304 CE – 1374 CE): Italian poet and scholar from Arezzo, an early humanist whose sonnets to Laura and revival of classical learning shaped the Renaissance.